CA646987A - Chock release - Google Patents

Chock release

Info

Publication number
CA646987A
CA646987A CA646987A CA646987DA CA646987A CA 646987 A CA646987 A CA 646987A CA 646987 A CA646987 A CA 646987A CA 646987D A CA646987D A CA 646987DA CA 646987 A CA646987 A CA 646987A
Authority
CA
Canada
Prior art keywords
chock release
chock
release
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA646987A
Inventor
W. Duncan Angus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mining Engineering Co Ltd MECO
Original Assignee
Mining Engineering Co Ltd MECO
Publication date
Application granted granted Critical
Publication of CA646987A publication Critical patent/CA646987A/en
Expired legal-status Critical Current

Links

CA646987A Chock release Expired CA646987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA646987T

Publications (1)

Publication Number Publication Date
CA646987A true CA646987A (en) 1962-08-21

Family

ID=35935638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA646987A Expired CA646987A (en) Chock release

Country Status (1)

Country Link
CA (1) CA646987A (en)

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